Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (7/3)f F (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Total internal reflection Polarisation Interference Diffraction Total internal reflection Polarisation Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Can't be determined Both A & B Convex Concave Can't be determined Both A & B Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As a diffused beam in one direction As diffused beams in all directions As parallel beams in all directions As a parallel beam in one direction As a diffused beam in one direction As diffused beams in all directions As parallel beams in all directions ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 10 cm 5 cm 20 cm 15 cm 10 cm 5 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP